board/AndesTech/adp-ag101p/adp-ag101p.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2011 Andes Technology Corporation
   4  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
   5  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
   6  */
   7
   8 #include <common.h>
   9 #include <flash.h>
  10 #include <init.h>
  11 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  12 #include <netdev.h>
  13 #endif
  14 #include <linux/io.h>
  15 #include <asm/io.h>
  16 #include <asm/mach-types.h>
  17
  18 #include <faraday/ftsmc020.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 /*
  23  * Miscellaneous platform dependent initializations
  24  */
  25
  26 int board_init(void)
  27 {
  28         /*
  29          * refer to BOOT_PARAMETER_PA_BASE within
  30          * "linux/arch/nds32/include/asm/misc_spec.h"
  31          */
  32         printf("Board: %s\n" , CONFIG_SYS_BOARD);
  33         gd->bd->bi_arch_number = MACH_TYPE_ADPAG101P;
  34         gd->bd->bi_boot_params = PHYS_SDRAM_0 + 0x400;
  35
  36         return 0;
  37 }
  38
  39 int dram_init(void)
  40 {
  41         unsigned long sdram_base = PHYS_SDRAM_0;
  42         unsigned long expected_size = PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE;
  43         unsigned long actual_size;
  44
  45         actual_size = get_ram_size((void *)sdram_base, expected_size);
  46
  47         gd->ram_size = actual_size;
  48
  49         if (expected_size != actual_size) {
  50                 printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
  51                                 actual_size >> 20, expected_size >> 20);
  52         }
  53
  54         return 0;
  55 }
  56
  57 int dram_init_banksize(void)
  58 {
  59         gd->bd->bi_dram[0].start = PHYS_SDRAM_0;
  60         gd->bd->bi_dram[0].size =  PHYS_SDRAM_0_SIZE;
  61         gd->bd->bi_dram[1].start = PHYS_SDRAM_1;
  62         gd->bd->bi_dram[1].size =  PHYS_SDRAM_1_SIZE;
  63
  64         return 0;
  65 }
  66
  67 #if defined(CONFIG_FTMAC100) && !defined(CONFIG_DM_ETH)
  68 int board_eth_init(bd_t *bd)
  69 {
  70         return ftmac100_initialize(bd);
  71 }
  72 #endif
  73
  74 ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
  75 {
  76         if (banknum == 0) {     /* non-CFI boot flash */
  77                 info->portwidth = FLASH_CFI_8BIT;
  78                 info->chipwidth = FLASH_CFI_BY8;
  79                 info->interface = FLASH_CFI_X8;
  80                 return 1;
  81         } else {
  82                 return 0;
  83         }
  84 }